Which innovation, first widely adopted in the 1970s, revolutionized point of sale systems by allowing products to be automatically identified without manual price entry?

Before digital systems transformed retail, cash registers and point of sale systems went through fascinating evolutions that shaped commerce as we know it. This poll explores a pivotal moment in retail history that changed how businesses processed transactions forever. Test your knowledge about the technological turning points that created the foundation for today's sophisticated retail systems.

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UPC barcodes scanned by laser readers
Magnetic stripe card readers
Electronic cash registers with digital displays
RFID product tags